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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-07-26 21:43:12 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2020-07-26 21:43:12 +0000 |
| commit | 1a29632fcc0b7c095f116ad9a760acc80a7b0472 (patch) | |
| tree | 17fec5ed1778a7b800faeb32a3efb0f3934ae98e /ppmtoilbm.html | |
| parent | fabc39e7f3bf78fbbc4e2923a0b9e53a829a9a26 (diff) | |
| download | netpbm-mirror-1a29632fcc0b7c095f116ad9a760acc80a7b0472.tar.gz netpbm-mirror-1a29632fcc0b7c095f116ad9a760acc80a7b0472.tar.xz netpbm-mirror-1a29632fcc0b7c095f116ad9a760acc80a7b0472.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3901 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'ppmtoilbm.html')
| -rw-r--r-- | ppmtoilbm.html | 193 |
1 files changed, 99 insertions, 94 deletions
diff --git a/ppmtoilbm.html b/ppmtoilbm.html index ca06b813..b94c31a8 100644 --- a/ppmtoilbm.html +++ b/ppmtoilbm.html @@ -1,61 +1,61 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> -<HTML><HEAD><TITLE>Ppmtoilbm User Manual</TITLE></HEAD> -<BODY> -<H1>ppmtoilbm</H1> +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.3//EN"> +<html><head><title>Ppmtoilbm User Manual</title></head> +<body> +<h1>ppmtoilbm</h1> Updated: 28 June 2015 -<BR> -<A HREF="#index">Table Of Contents</A> +<br> +<a href="#index">Table Of Contents</a> -<H2>NAME</H2> +<h2>NAME</h2> ppmtoilbm - convert a PPM image into an ILBM file -<H2 id="synopsis">SYNOPSIS</H2> +<h2 id="synopsis">SYNOPSIS</h2> -<B>ppmtoilbm</B> +<b>ppmtoilbm</b> -[<B>-maxplanes</B>|<B>-mp</B> <I>N</I>] +[<b>-maxplanes</b>|<b>-mp</b> <i>N</i>] -[<B>-fixplanes</B>|<B>-fp</B> <I>N</I>] +[<b>-fixplanes</b>|<b>-fp</b> <i>N</i>] -[<B>-ham6</B>|<B>-ham8</B>] +[<b>-ham6</b>|<b>-ham8</b>] -[{<B>-dcbits</B>|<B>-dcplanes</B>} <i>r</i> <i>g</i> <i>b</i>] +[{<b>-dcbits</b>|<b>-dcplanes</b>} <i>r</i> <i>g</i> <i>b</i>] [ -<B>-normal</B>|<B>-hamif</B>|<B>-hamforce</B>|<B>-24if</B>|<B>-24force</B>| -<b>-dcif</b>|<b>-dcforce</B>|<b>-cmaponly</B> +<b>-normal</b>|<b>-hamif</b>|<b>-hamforce</b>|<b>-24if</b>|<b>-24force</b>| +<b>-dcif</b>|<b>-dcforce</b>|<b>-cmaponly</b> ] -[<B>-ecs</B>|<B>-aga</B>] +[<b>-ecs</b>|<b>-aga</b>] -[<B>-compress</B>|<B>-nocompress</B>] +[<b>-compress</b>|<b>-nocompress</b>] -[<B>-cmethod</B> <I>type</I>] +[<b>-cmethod</b> <i>type</i>] -[<B>-map</B> <i>ppmfile</i>] +[<b>-map</b> <i>ppmfile</i>] -[<B>ppmfile</B>] +[<b>ppmfile</b>] -<H2 id="description">DESCRIPTION</H2> +<h2 id="description">DESCRIPTION</h2> <p>This program is part of <a href="index.html">Netpbm</a>. <p><b>ppmtoilbm</b> reads a PPM image as input. Produces an ILBM file as output. <b>ppmtoilbm</b> understands the following ILBM types: -<UL COMPACT> +<ul compact> -<LI>Normal ILBMs with 1-16 planes +<li>Normal ILBMs with 1-16 planes -<LI>Amiga HAM with 3-16 planes +<li>Amiga HAM with 3-16 planes -<LI>24 bit +<li>24 bit -<LI>Color map (BMHD + CMAP chunk only, nPlanes = 0) +<li>Color map (BMHD + CMAP chunk only, nPlanes = 0) -<LI>Unofficial direct color. 1-16 planes for each color component. +<li>Unofficial direct color. 1-16 planes for each color component. </ul> @@ -63,110 +63,115 @@ as output. <b>ppmtoilbm</b> understands the following ILBM types: colormap files) unofficial DCOL chunk for direct color ILBM. -<H2 id="options">OPTIONS</H2> +<h2 id="options">OPTIONS</h2> + +<p>In addition to the options common to all programs based on libnetpbm +(most notably <b>-quiet</b>, see <a href="index.html#commonoptions"> +Common Options</a>), <b>ppmtoilbm</b> recognizes the following +command line options: <p>Options marked with (*) can be prefixed with a "no", e.g. "-nohamif". All options can be abbreviated to their shortest unique prefix. -<DL COMPACT> -<DT><B>-maxplanes</b> | <b>-mp</b> <i>n</i> +<dl compact> +<dt><b>-maxplanes</b> | <b>-mp</b> <i>n</i> -<DD>(default 5, minimum 1, maximum 16) Maximum planes to write in a +<dd>(default 5, minimum 1, maximum 16) Maximum planes to write in a normal ILBM. If the image does not fit into <n> planes, ppmtoilbm writes a HAM file (if -hamif is used), a 24bit file (if -24if is used) or a direct color file (if -dcif is used) or aborts with an error. -<DT><B>-fixplanes</b> | <b>-fp</b> <i>b</i> +<dt><b>-fixplanes</b> | <b>-fp</b> <i>b</i> -<DD>(min 1, max 16) If a normal ILBM is written, it will have exactly +<dd>(min 1, max 16) If a normal ILBM is written, it will have exactly <n> planes. -<DT><B>-hambits</b> | <b>-hamplanes</b> <i>n</i> +<dt><b>-hambits</b> | <b>-hamplanes</b> <i>n</i> -<DD>(default 6, min 3, max 16) Select number of planes for HAM -picture. The current Amiga hardware supports 6 and 8 planes, so for +<dd>(default 6, min 3, max 16) Select number of planes for HAM +picture. The current Amiga hardware understands 6 and 8 planes, so for now you should only use this values. -<DT><B>-normal</B> +<dt><b>-normal</b> -<DD>Turns off -hamif/-24if/-dcif, -hamforce/-24force/-dcforce and +<dd>Turns off -hamif/-24if/-dcif, -hamforce/-24force/-dcforce and -cmaponly. Also sets compression type to byterun1. <p>This is the default. -<DT><B>-hamif</B> (*) -<DT><B>-24if</B> (*) -<DT><B>-dcif</B> (*) +<dt><b>-hamif</b> (*) +<dt><b>-24if</b> (*) +<dt><b>-dcif</b> (*) -<DD>Write a HAM/24bit/direct color file if the image does not fit into +<dd>Write a HAM/24bit/direct color file if the image does not fit into <maxplanes> planes. -<DT><B>-hamforce</B> (*) -<DT><B>-24force</B> (*) -<DT><B>-dcforce</B> (*) +<dt><b>-hamforce</b> (*) +<dt><b>-24force</b> (*) +<dt><b>-dcforce</b> (*) -<DD>Write a HAM/24bit/direct color file. +<dd>Write a HAM/24bit/direct color file. -<DT><B>-dcbits</b> <i>r</i> <i>g</i> <i>b</i> -<DT><b>-dcplanes</b> <i>r</i> <i>g</i> <i>b</i> +<dt><b>-dcbits</b> <i>r</i> <i>g</i> <i>b</i> +<dt><b>-dcplanes</b> <i>r</i> <i>g</i> <i>b</i> -<DD>(default 5, min 1, max 16). Select number of bits for red, green +<dd>(default 5, min 1, max 16). Select number of bits for red, green and blue in a direct color ILBM. -<DT><B>-ecs</B> +<dt><b>-ecs</b> -<DD>Shortcut for: -hamplanes 6 -maxplanes 5 +<dd>Shortcut for: -hamplanes 6 -maxplanes 5 <p>This is the default. -<DT><B>-aga</B> +<dt><b>-aga</b> -<DD>Shortcut for: <b>-hamplanes 8 -maxplanes 8</B> +<dd>Shortcut for: <b>-hamplanes 8 -maxplanes 8</b> -<DT><B>-ham6</B> +<dt><b>-ham6</b> -<DD>Shortcut for: <b>-hamplanes 6 -hamforce</B> +<dd>Shortcut for: <b>-hamplanes 6 -hamforce</b> -<DT><B>-ham8</B> +<dt><b>-ham8</b> -<DD>Shortcut for: <b>-hamplanes 8 -hamforce</b> +<dd>Shortcut for: <b>-hamplanes 8 -hamforce</b> -<DT><B>-compress</B> (*) +<dt><b>-compress</b> (*) -<DD>This is the default. +<dd>This is the default. -<DD>Compress the BODY chunk. The default compression method is +<dd>Compress the BODY chunk. The default compression method is byterun1. Compression requires building the ILBM image in memory; turning compression off allows stream-writing of the image, but the resulting file will usually be 30% to 50% larger. Another alternative is the -savemem option, this will keep memory requirements for compression at a minimum, but is very slow. -<DT><B>-cmethod</b> <b>none</b>|<b>byterun1</B> +<dt><b>-cmethod</b> <b>none</b>|<b>byterun1</b> -<DD>This option does the same thing as <b>-compress</b>. +<dd>This option does the same thing as <b>-compress</b>. -<DT><B>-map</b> <i>ppmfile</i> +<dt><b>-map</b> <i>ppmfile</i> -<DD>Write a normal ILBM using the colors in <ppmfile> as the +<dd>Write a normal ILBM using the colors in <ppmfile> as the colormap. The colormap file also determines the number of planes, a <b>-maxplanes</b> or <b>-fixplanes</b> option is ignored. -<DT><B>-cmaponly</B> +<dt><b>-cmaponly</b> -<DD>Write a colormap file: only BMHD and CMAP chunks, no BODY chunk, +<dd>Write a colormap file: only BMHD and CMAP chunks, no BODY chunk, nPlanes = 0. -<DT><B>-savemem</B> +<dt><b>-savemem</b> -<DD>See the <b>-compress</b> option. +<dd>See the <b>-compress</b> option. -</DL> +</dl> -<H2 id="limitations">LIMITATIONS</H2> +<h2 id="limitations">LIMITATIONS</h2> <p>HAM pictures will always get a grayscale colormap; a real color selection algorithm might give better results. On the other hand, @@ -175,17 +180,17 @@ the same depth (no. of planes) share a common colormap, which is useful for building HAM animations. -<H2 id="references">REFERENCES</H2> +<h2 id="references">REFERENCES</h2> Amiga ROM Kernel Reference Manual - Devices (3rd Ed.) -<BR> +<br> Addison Wesley, ISBN 0-201-56775-X -<H2 id="seealso">SEE ALSO</H2> +<h2 id="seealso">SEE ALSO</h2> -<A HREF="ppm.html">ppm</A>, -<A HREF="ilbmtoppm.html">ilbmtoppm</A> +<a href="ppm.html">ppm</a>, +<a href="ilbmtoppm.html">ilbmtoppm</a> <h2 id="history">HISTORY</h2> @@ -193,25 +198,25 @@ Addison Wesley, ISBN 0-201-56775-X <p>For about a year in 1993-1994, there was a <b>-savemem</b> option. -<H2 id="authoris">AUTHORS</H2> +<h2 id="authors">AUTHORS</h2> <p>Copyright (C) 1989 by Jef Poskanzer. -<p>Modified October 1993 by Ingo Wilken (<A -HREF="mailto:Ingo.Wilken@informatik.uni-oldenburg.de">Ingo.Wilken@informatik.uni-oldenburg.de</A>) - - -<HR> -<H2 id="index">Table Of Contents</H2> -<UL> -<LI><A HREF="#synopsis">SYNOPSIS</A> -<LI><A HREF="#description">DESCRIPTION</A> -<LI><A HREF="#options">OPTIONS</A> -<LI><A HREF="#limitations">LIMITATIONS</A> -<LI><A HREF="#references">REFERENCES</A> -<LI><A HREF="#seealso">SEE ALSO</A> -<LI><A HREF="#history">HISTORY</A> -<LI><A HREF="#authors">AUTHORS</A> -</UL> -</BODY> -</HTML> +<p>Modified October 1993 by Ingo Wilken (<a +href="mailto:Ingo.Wilken@informatik.uni-oldenburg.de">Ingo.Wilken@informatik.uni-oldenburg.de</a>) + + +<hr> +<h2 id="index">Table Of Contents</h2> +<ul> +<li><a href="#synopsis">SYNOPSIS</a> +<li><a href="#description">DESCRIPTION</a> +<li><a href="#options">OPTIONS</a> +<li><a href="#limitations">LIMITATIONS</a> +<li><a href="#references">REFERENCES</a> +<li><a href="#seealso">SEE ALSO</a> +<li><a href="#history">HISTORY</a> +<li><a href="#authors">AUTHORS</a> +</ul> +</body> +</html> |